1. Unique invisible button design: double row deformed roller skates to prevent the wheels from suddenly opening. There is a button on the back of the shoe. With the switch arrow in the right direction, press the switch firmly and the wheel turns on or off. 2. COMFORTABLE FIT: Different from ordinary ice skates, the adjustable multi function roller skates use traditional shoelaces. As with trainers, you can adjust the laces to make the shoe fit comfortably. (Note: be sure to fasten your laces when using to ensure your .) 3. Mechanical Test: According to the principle of mechanical structure, the heel support of the double row deformed roller skates provides additional resistance and has a high factor, which is very suitable for beginners. 4. Popular Trend: Double row deformed skates are a 2 in 1 combination of casual shoes and skates. They are very fashionable and cool, so you can use sports to feel fashion, speed and dynamics. The multifunctional transforming shoe is a fashionable trainer that is suitable for various occasions such as skating/party/disco/dance/birthday/Christmas.